/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.handler.admincommandhandlers;

import java.util.Collection;
import java.util.Map;
import java.util.StringTokenizer;
import java.util.logging.Logger;

import javolution.text.TextBuilder;
import net.sf.l2j.Config;
import net.sf.l2j.gameserver.ai.CtrlIntention;
import net.sf.l2j.gameserver.datatables.ClanTable;
import net.sf.l2j.gameserver.datatables.PcColorTable;
import net.sf.l2j.gameserver.handler.IAdminCommandHandler;
import net.sf.l2j.gameserver.model.L2Object;
import net.sf.l2j.gameserver.model.L2World;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;
import net.sf.l2j.gameserver.model.actor.instance.L2PetInstance;
import net.sf.l2j.gameserver.model.base.ClassId;
import net.sf.l2j.gameserver.model.entity.GmAudit;
import net.sf.l2j.gameserver.network.SystemMessageId;
import net.sf.l2j.gameserver.network.serverpackets.CharInfo;
import net.sf.l2j.gameserver.network.serverpackets.NpcHtmlMessage;
import net.sf.l2j.gameserver.network.serverpackets.StatusUpdate;
import net.sf.l2j.gameserver.network.serverpackets.SystemMessage;
import net.sf.l2j.gameserver.network.serverpackets.UserInfo;
import net.sf.l2j.gameserver.util.Util;

/**
 * This class handles following admin commands: - edit_character -
 * current_player - character_list - show_characters - find_character - find_ip
 * - find_account - rec - nokarma - setkarma - settitle - setname - setsex -
 * setclass - fullfood - save_modifications
 * 
 * @version $Revision: 1.3.2.1.2.10 $ $Date: 2005/04/11 10:06:06 $
 */
public class AdminEditChar implements IAdminCommandHandler {
	private static Logger _log = Logger
			.getLogger(AdminEditChar.class.getName());
	private static final String[] ADMIN_COMMANDS = { "admin_edit_character",
			"admin_current_player", "admin_nokarma", // this
			// is
			// to
			// remove
			// karma
			// from
			// selected
			// char...
			"admin_setkarma", // sets karma of target char to any amount.
			// //setkarma <karma>
			"admin_character_list", // same as character_info, kept for
			// compatibility purposes
			"admin_character_info", // given a player name, displays an
			// information window
			"admin_show_characters",// list of characters
			"admin_find_character", // find a player by his name or a part
			// of it
			// (case-insensitive)
			"admin_find_ip", // find all the player connections from a given
			// IPv4 number
			"admin_find_account", // list all the characters from an
			// account
			// (useful for GMs w/o DB access)
			"admin_save_modifications", // consider it deprecated...
			"admin_rec", // gives recommendation points
			"admin_settitle", // changes char title
			"admin_setname", // changes char name
			"admin_setsex", // changes characters' sex
			"admin_setcolor", // change charnames' color display
			"admin_delete_color", // remove selected color display
			"admin_setclass", // changes chars' classId
			"admin_fullfood" // fulfills a pet's food bar
	};
	private static final int REQUIRED_LEVEL = Config.GM_CHAR_EDIT;
	private static final int REQUIRED_LEVEL2 = Config.GM_CHAR_EDIT_OTHER;
	private static final int REQUIRED_LEVEL_VIEW = Config.GM_CHAR_VIEW;

	public boolean useAdminCommand(String command, L2PcInstance activeChar) {
		if (!Config.ALT_PRIVILEGES_ADMIN)
			if (!((checkLevel(activeChar.getAccessLevel()) || checkLevel2(activeChar
					.getAccessLevel())) && activeChar.isGM()))
				return false;
		new GmAudit(activeChar.getName(), activeChar.getObjectId(),
				(activeChar.getTarget() != null ? activeChar.getTarget()
						.getName() : "no-target"), command);
		if (command.equals("admin_current_player"))
			showCharacterInfo(activeChar, null);
		else if (command.startsWith("admin_character_list")
				|| command.startsWith("admin_character_info"))
			try {
				String val = command.substring(21);
				L2PcInstance target = L2World.getInstance().getPlayer(val);
				if (target != null)
					showCharacterInfo(activeChar, target);
				else
					activeChar.sendPacket(new SystemMessage(
							SystemMessageId.CHARACTER_DOES_NOT_EXIST));
			} catch (StringIndexOutOfBoundsException e) {
				activeChar.sendMessage("Usage: //character_info <player_name>");
			}
		else if (command.startsWith("admin_show_characters"))
			try {
				String val = command.substring(22);
				int page = Integer.parseInt(val);
				listCharacters(activeChar, page);
			} catch (StringIndexOutOfBoundsException e) {
				// Case of empty page number
				activeChar
						.sendMessage("Usage: //show_characters <page_number>");
			}
		else if (command.startsWith("admin_find_character"))
			try {
				String val = command.substring(21);
				findCharacter(activeChar, val);
			} catch (StringIndexOutOfBoundsException e) { // Case of empty
															// character
															// name
				activeChar
						.sendMessage("Usage: //find_character <character_name>");
				listCharacters(activeChar, 0);
			}
		else if (command.startsWith("admin_find_ip"))
			try {
				String val = command.substring(14);
				findCharactersPerIp(activeChar, val);
			} catch (Exception e) { // Case of empty or malformed IP number
				String val = command.substring(14);
				findCharactersPerIp(activeChar, val);
			}
		else if (command.startsWith("admin_find_account"))
			try {
				String val = command.substring(19);
				findCharactersPerAccount(activeChar, val);
			} catch (Exception e) { // Case of empty or malformed player
									// name
				activeChar.sendMessage("Usage: //find_account <player_name>");
				listCharacters(activeChar, 0);
			}
		else if (command.equals("admin_edit_character"))
			editCharacter(activeChar);
		else if (command.equals("admin_nokarma"))
			setTargetKarma(activeChar, 0);
		else if (command.startsWith("admin_setkarma"))
			try {
				String val = command.substring(15);
				int karma = Integer.parseInt(val);
				if (activeChar == activeChar.getTarget()
						|| activeChar.getAccessLevel() >= REQUIRED_LEVEL2)
					new GmAudit(activeChar.getName(), activeChar.getObjectId(),
							activeChar.getName(), command);
				setTargetKarma(activeChar, karma);
			} catch (StringIndexOutOfBoundsException e) {
				if (Config.DEVELOPER)
					System.out.println("Set karma error: " + e);
				activeChar.sendMessage("Usage: //setkarma <new_karma_value>");
			}
		else if (command.startsWith("admin_save_modifications"))
			try {
				String val = command.substring(24);
				if (activeChar == activeChar.getTarget()
						|| activeChar.getAccessLevel() >= REQUIRED_LEVEL2)
					new GmAudit(activeChar.getName(), activeChar.getObjectId(),
							activeChar.getName(), command);
				adminModifyCharacter(activeChar, val);
			} catch (StringIndexOutOfBoundsException e) { // Case of empty
															// character
															// name
				activeChar.sendMessage("Error while modifying character.");
				listCharacters(activeChar, 0);
			}
		else if (command.startsWith("admin_rec"))
			try {
				String val = command.substring(10);
				int recVal = Integer.parseInt(val);
				L2Object target = activeChar.getTarget();
				L2PcInstance player = null;
				if (activeChar != target
						&& activeChar.getAccessLevel() < REQUIRED_LEVEL2)
					return false;
				if (target instanceof L2PcInstance)
					player = (L2PcInstance) target;
				else
					return false;
				player.setRecomHave(recVal);
				player.sendMessage("You have been recommended by a GM");
				player.broadcastUserInfo();
			} catch (Exception e) {
				activeChar.sendMessage("Usage: //rec number");
			}
		else if (command.startsWith("admin_setclass"))
			try {
				String val = command.substring(15);
				int classidval = Integer.parseInt(val);
				L2Object target = activeChar.getTarget();
				L2PcInstance player = null;
				if (activeChar != target
						&& activeChar.getAccessLevel() < REQUIRED_LEVEL2)
					return false;
				if (target instanceof L2PcInstance)
					player = (L2PcInstance) target;
				else
					return false;
				boolean valid = false;
				for (ClassId classid : ClassId.values())
					if (classidval == classid.getId())
						valid = true;
				if (valid && player.getClassId().getId() != classidval) {
					player.setClassId(classidval);
					if (!player.isSubClassActive())
						player.setBaseClass(classidval);
					String newclass = player.getTemplate().className;
					player.store();
					player.sendMessage("A GM changed your class to " + newclass);
					player.broadcastUserInfo();
					activeChar.sendMessage(player.getName() + " is a "
							+ newclass);
				}
				activeChar.sendMessage("Usage: //setclass <valid_new_classid>");
			} catch (StringIndexOutOfBoundsException e) {
				AdminHelpPage.showHelpPage(activeChar, "charclasses.htm");
			}
		else if (command.startsWith("admin_settitle"))
			try {
				String val = command.substring(15);
				L2Object target = activeChar.getTarget();
				L2PcInstance player = null;
				if (activeChar != target
						&& activeChar.getAccessLevel() < REQUIRED_LEVEL2)
					return false;
				if (target instanceof L2PcInstance)
					player = (L2PcInstance) target;
				else
					return false;
				player.setTitle(val);
				player.sendMessage("Your title has been changed by a GM");
				player.broadcastTitleInfo();
			} catch (StringIndexOutOfBoundsException e) { // Case of empty
															// character
															// title
				activeChar.sendMessage("You need to specify the new title.");
			}
		else if (command.startsWith("admin_setname"))
			try {
				String val = command.substring(14);
				L2Object target = activeChar.getTarget();
				L2PcInstance player = null;
				if (activeChar != target
						&& activeChar.getAccessLevel() < REQUIRED_LEVEL2)
					return false;
				if (target instanceof L2PcInstance)
					player = (L2PcInstance) target;
				else
					return false;
				player.setName(val);
				player.sendMessage("Your name has been changed by a GM");
				player.broadcastUserInfo();
				player.store();
			} catch (StringIndexOutOfBoundsException e) { // Case of
															// empty
															// character
															// name
				activeChar.sendMessage("Usage: //setname new_name_for_target");
			}
		else if (command.startsWith("admin_setsex")) {
			L2Object target = activeChar.getTarget();
			L2PcInstance player = null;
			if (activeChar != target
					&& activeChar.getAccessLevel() < REQUIRED_LEVEL2)
				return false;
			if (target instanceof L2PcInstance)
				player = (L2PcInstance) target;
			else
				return false;
			player.getAppearance().setSex(
					player.getAppearance().getSex() ? false : true);
			player.sendMessage("Your gender has been changed by a GM");
			player.broadcastUserInfo();
			player.decayMe();
			player.spawnMe(player.getX(), player.getY(), player.getZ());
		} else if (command.startsWith("admin_setcolor")) {
			L2Object target = activeChar.getTarget();
			if (target == null) {
				activeChar.sendMessage("You have to select a player!");
				return false;
			}
			if (!(target instanceof L2PcInstance)) {
				activeChar.sendMessage("Your target is not a player!");
				return false;
			}
			if (activeChar.getAccessLevel() < REQUIRED_LEVEL2)
				return false;
			String[] params = command.split(" ");
			if (params.length != 3) {
				activeChar
						.sendMessage("Wrong usage: //setcolor <colorHex> <timeInDays>");
				activeChar
						.sendMessage("If you type for <timeInDays> 0, the color will never deleted.");
				activeChar
						.sendMessage("If you type for <timeInDays> login, color will disapear if player logout.");
				return false;
			}
			L2PcInstance player = (L2PcInstance) target;
			int color = Integer.decode("0x" + params[1]);
			if (params[2].equals("login")) {
				player.getAppearance().setNameColor(color);
				player.sendMessage("Your name color has been changed by a GM!");
				player.broadcastUserInfo();
				return true;
			}
			long time = Long.valueOf(params[2]);
			PcColorTable.getInstance().add((L2PcInstance) target, color,
					System.currentTimeMillis(), (time * 24 * 60 * 60 * 1000));
		} else if (command.equals("admin_delete_color")) {
			L2Object target = activeChar.getTarget();
			if (target == null) {
				activeChar.sendMessage("You have to select a player!");
				return false;
			}
			if (!(target instanceof L2PcInstance)) {
				activeChar.sendMessage("Your target is not a player!");
				return false;
			}
			if (activeChar.getAccessLevel() < REQUIRED_LEVEL2)
				return false;
			String charName = command.substring(19);
			PcColorTable.getInstance().delete(charName);
		} else if (command.startsWith("admin_fullfood")) {
			L2Object target = activeChar.getTarget();
			if (target instanceof L2PetInstance) {
				L2PetInstance targetPet = (L2PetInstance) target;
				targetPet.setCurrentFed(targetPet.getMaxFed());
			} else
				activeChar.sendPacket(new SystemMessage(
						SystemMessageId.INCORRECT_TARGET));
		}
		return true;
	}

	public String[] getAdminCommandList() {
		return ADMIN_COMMANDS;
	}

	private boolean checkLevel(int level) {
		return level >= REQUIRED_LEVEL;
	}

	private boolean checkLevel2(int level) {
		return level >= REQUIRED_LEVEL_VIEW;
	}

	private void listCharacters(L2PcInstance activeChar, int page) {
		Collection<L2PcInstance> allPlayers = L2World.getInstance()
				.getAllPlayers();
		L2PcInstance[] players = allPlayers.toArray(new L2PcInstance[allPlayers
				.size()]);
		int MaxCharactersPerPage = 20;
		int MaxPages = players.length / MaxCharactersPerPage;
		if (players.length > MaxCharactersPerPage * MaxPages)
			MaxPages++;
		// Check if number of users changed
		if (page > MaxPages)
			page = MaxPages;
		int CharactersStart = MaxCharactersPerPage * page;
		int CharactersEnd = players.length;
		if (CharactersEnd - CharactersStart > MaxCharactersPerPage)
			CharactersEnd = CharactersStart + MaxCharactersPerPage;
		NpcHtmlMessage adminReply = new NpcHtmlMessage(5);
		adminReply.setFile("data/html/admin/charlist.htm");
		TextBuilder replyMSG = new TextBuilder();
		for (int x = 0; x < MaxPages; x++) {
			int pagenr = x + 1;
			replyMSG.append("<center><a action=\"bypass -h admin_show_characters "
					+ x + "\">Page " + pagenr + "</a></center>");
		}
		adminReply.replace("%pages%", replyMSG.toString());
		replyMSG.clear();
		for (int i = CharactersStart; i < CharactersEnd; i++)
			// info into new
			// Table row
			replyMSG.append("<tr><td width=80><a action=\"bypass -h admin_character_info "
					+ players[i].getName()
					+ "\">"
					+ players[i].getName()
					+ "</a></td><td width=110>"
					+ players[i].getTemplate().className
					+ "</td><td width=40>"
					+ players[i].getLevel() + "</td></tr>");
		adminReply.replace("%players%", replyMSG.toString());
		activeChar.sendPacket(adminReply);
	}

	private void showCharacterInfo(L2PcInstance activeChar, L2PcInstance player) {
		if (player == null) {
			L2Object target = activeChar.getTarget();
			if (target instanceof L2PcInstance)
				player = (L2PcInstance) target;
			else
				return;
		} else
			activeChar.setTarget(player);
		gatherCharacterInfo(activeChar, player, "charinfo.htm");
	}

	/**
	 * @param activeChar
	 * @param player
	 */
	private void gatherCharacterInfo(L2PcInstance activeChar,
			L2PcInstance player, String filename) {
		String ip = "N/A";
		String account = "N/A";
		try {
			StringTokenizer clientinfo = new StringTokenizer(player.getClient()
					.toString(), " ]:-[");
			clientinfo.nextToken();
			clientinfo.nextToken();
			clientinfo.nextToken();
			account = clientinfo.nextToken();
			clientinfo.nextToken();
			ip = clientinfo.nextToken();
		} catch (Exception e) {
		}
		NpcHtmlMessage adminReply = new NpcHtmlMessage(5);
		adminReply.setFile("data/html/admin/" + filename);
		adminReply.replace("%name%", player.getName());
		adminReply.replace("%level%", String.valueOf(player.getLevel()));
		adminReply.replace(
				"%clan%",
				String.valueOf(ClanTable.getInstance().getClan(
						player.getClanId())));
		adminReply.replace("%xp%", String.valueOf(player.getExp()));
		adminReply.replace("%sp%", String.valueOf(player.getSp()));
		adminReply.replace("%class%", player.getTemplate().className);
		adminReply.replace("%ordinal%",
				String.valueOf(player.getClassId().ordinal()));
		adminReply.replace("%classid%", String.valueOf(player.getClassId()));
		adminReply.replace("%x%", String.valueOf(player.getX()));
		adminReply.replace("%y%", String.valueOf(player.getY()));
		adminReply.replace("%z%", String.valueOf(player.getZ()));
		adminReply.replace("%currenthp%",
				String.valueOf((int) player.getCurrentHp()));
		adminReply.replace("%maxhp%", String.valueOf(player.getMaxHp()));
		adminReply.replace("%karma%", String.valueOf(player.getKarma()));
		adminReply.replace("%currentmp%",
				String.valueOf((int) player.getCurrentMp()));
		adminReply.replace("%maxmp%", String.valueOf(player.getMaxMp()));
		adminReply.replace("%pvpflag%", String.valueOf(player.getPvpFlag()));
		adminReply.replace("%currentcp%",
				String.valueOf((int) player.getCurrentCp()));
		adminReply.replace("%maxcp%", String.valueOf(player.getMaxCp()));
		adminReply.replace("%pvpkills%", String.valueOf(player.getPvpKills()));
		adminReply.replace("%pkkills%", String.valueOf(player.getPkKills()));
		adminReply.replace("%currentload%",
				String.valueOf(player.getCurrentLoad()));
		adminReply.replace("%maxload%", String.valueOf(player.getMaxLoad()));
		adminReply.replace(
				"%percent%",
				String.valueOf(Util.roundTo((float) player.getCurrentLoad()
						/ (float) player.getMaxLoad() * 100, 2)));
		adminReply.replace("%patk%", String.valueOf(player.getPAtk(null)));
		adminReply
				.replace("%matk%", String.valueOf(player.getMAtk(null, null)));
		adminReply.replace("%pdef%", String.valueOf(player.getPDef(null)));
		adminReply
				.replace("%mdef%", String.valueOf(player.getMDef(null, null)));
		adminReply.replace("%accuracy%", String.valueOf(player.getAccuracy()));
		adminReply.replace("%evasion%",
				String.valueOf(player.getEvasionRate(null)));
		adminReply.replace("%critical%",
				String.valueOf(player.getCriticalHit(null, null)));
		adminReply.replace("%runspeed%", String.valueOf(player.getRunSpeed()));
		adminReply.replace("%patkspd%", String.valueOf(player.getPAtkSpd()));
		adminReply.replace("%matkspd%", String.valueOf(player.getMAtkSpd()));
		adminReply.replace("%access%", String.valueOf(player.getAccessLevel()));
		adminReply.replace("%account%", account);
		adminReply.replace("%ip%", ip);
		activeChar.sendPacket(adminReply);
	}

	private void setTargetKarma(L2PcInstance activeChar, int newKarma) {
		// function to change karma of selected char
		L2Object target = activeChar.getTarget();
		L2PcInstance player = null;
		if (target instanceof L2PcInstance)
			player = (L2PcInstance) target;
		else
			return;
		if (newKarma >= 0) {
			// for display
			int oldKarma = player.getKarma();
			// update karma
			player.setKarma(newKarma);
			// Common character information
			player.sendPacket(new SystemMessage(
					SystemMessageId.YOUR_KARMA_HAS_BEEN_CHANGED_TO)
					.addString(String.valueOf(newKarma)));
			// Admin information
			activeChar.sendMessage("Successfully Changed karma for "
					+ player.getName() + " from (" + oldKarma + ") to ("
					+ newKarma + ").");
			if (Config.DEBUG)
				_log.fine("[SET KARMA] [GM]" + activeChar.getName()
						+ " Changed karma for " + player.getName() + " from ("
						+ oldKarma + ") to (" + newKarma + ").");
		} else {
			// tell admin of mistake
			activeChar
					.sendMessage("You must enter a value for karma greater than or equal to 0.");
			if (Config.DEBUG)
				_log.fine("[SET KARMA] ERROR: [GM]" + activeChar.getName()
						+ " entered an incorrect value for new karma: "
						+ newKarma + " for " + player.getName() + ".");
		}
	}

	private void adminModifyCharacter(L2PcInstance activeChar,
			String modifications) {
		L2Object target = activeChar.getTarget();
		if (!(target instanceof L2PcInstance))
			return;
		L2PcInstance player = (L2PcInstance) target;
		StringTokenizer st = new StringTokenizer(modifications);
		if (st.countTokens() != 6) {
			editCharacter(player);
			return;
		}
		String hp = st.nextToken();
		String mp = st.nextToken();
		String cp = st.nextToken();
		String pvpflag = st.nextToken();
		String pvpkills = st.nextToken();
		String pkkills = st.nextToken();
		int hpval = Integer.parseInt(hp);
		int mpval = Integer.parseInt(mp);
		int cpval = Integer.parseInt(cp);
		int pvpflagval = Integer.parseInt(pvpflag);
		int pvpkillsval = Integer.parseInt(pvpkills);
		int pkkillsval = Integer.parseInt(pkkills);
		// Common character information
		player.sendMessage("Admin has changed your stats." + "  HP: " + hpval
				+ "  MP: " + mpval + "  CP: " + cpval + "  PvP Flag: "
				+ pvpflagval + " PvP/PK " + pvpkillsval + "/" + pkkillsval);
		player.setCurrentHp(hpval);
		player.setCurrentMp(mpval);
		player.setCurrentCp(cpval);
		player.setPvpFlag(pvpflagval);
		player.setPvpKills(pvpkillsval);
		player.setPkKills(pkkillsval);
		// Save the changed parameters to the database.
		player.store();
		StatusUpdate su = new StatusUpdate(player.getObjectId());
		su.addAttribute(StatusUpdate.CUR_HP, hpval);
		su.addAttribute(StatusUpdate.MAX_HP, player.getMaxHp());
		su.addAttribute(StatusUpdate.CUR_MP, mpval);
		su.addAttribute(StatusUpdate.MAX_MP, player.getMaxMp());
		su.addAttribute(StatusUpdate.CUR_CP, cpval);
		su.addAttribute(StatusUpdate.MAX_CP, player.getMaxCp());
		player.sendPacket(su);
		// Admin information
		player.sendMessage("Changed stats of " + player.getName() + "."
				+ "  HP: " + hpval + "  MP: " + mpval + "  CP: " + cpval
				+ "  PvP: " + pvpflagval + " / " + pvpkillsval);
		if (Config.DEBUG)
			_log.fine("[GM]" + activeChar.getName() + " changed stats of "
					+ player.getName() + ". " + " HP: " + hpval + " MP: "
					+ mpval + " CP: " + cpval + " PvP: " + pvpflagval + " / "
					+ pvpkillsval);
		showCharacterInfo(activeChar, null); // Back to start
		player.broadcastPacket(new CharInfo(player));
		player.sendPacket(new UserInfo(player));
		player.getAI().setIntention(CtrlIntention.AI_INTENTION_IDLE);
		player.decayMe();
		player.spawnMe(activeChar.getX(), activeChar.getY(), activeChar.getZ());
	}

	private void editCharacter(L2PcInstance activeChar) {
		L2Object target = activeChar.getTarget();
		if (!(target instanceof L2PcInstance))
			return;
		L2PcInstance player = (L2PcInstance) target;
		gatherCharacterInfo(activeChar, player, "charedit.htm");
	}

	/**
	 * @param activeChar
	 * @param CharacterToFind
	 */
	private void findCharacter(L2PcInstance activeChar, String CharacterToFind) {
		int CharactersFound = 0;
		String name;
		Collection<L2PcInstance> allPlayers = L2World.getInstance()
				.getAllPlayers();
		L2PcInstance[] players = allPlayers.toArray(new L2PcInstance[allPlayers
				.size()]);
		NpcHtmlMessage adminReply = new NpcHtmlMessage(5);
		adminReply.setFile("data/html/admin/charfind.htm");
		TextBuilder replyMSG = new TextBuilder();
		for (int i = 0; i < players.length; i++) { // Add player info into
													// new Table row
			name = players[i].getName();
			if (name.toLowerCase().contains(CharacterToFind.toLowerCase())) {
				CharactersFound = CharactersFound + 1;
				replyMSG.append("<tr><td width=80><a action=\"bypass -h admin_character_list "
						+ name
						+ "\">"
						+ name
						+ "</a></td><td width=110>"
						+ players[i].getTemplate().className
						+ "</td><td width=40>"
						+ players[i].getLevel()
						+ "</td></tr>");
			}
			if (CharactersFound > 20)
				break;
		}
		adminReply.replace("%results%", replyMSG.toString());
		replyMSG.clear();
		if (CharactersFound == 0)
			replyMSG.append("s. Please try again.");
		else if (CharactersFound > 20) {
			adminReply.replace("%number%", " more than 20");
			replyMSG.append("s.<br>Please refine your search to see all of the results.");
		} else if (CharactersFound == 1)
			replyMSG.append(".");
		else
			replyMSG.append("s.");
		adminReply.replace("%number%", String.valueOf(CharactersFound));
		adminReply.replace("%end%", replyMSG.toString());
		activeChar.sendPacket(adminReply);
	}

	/**
	 * @param activeChar
	 * @param IpAdress
	 * @throws IllegalArgumentException
	 */
	private void findCharactersPerIp(L2PcInstance activeChar, String IpAdress)
			throws IllegalArgumentException {
		if (!IpAdress
				.matches("^(?:(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2(?:[0-4][0-9]|5[0-5]))\\.){3}(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2(?:[0-4][0-9]|5[0-5]))$"))
			throw new IllegalArgumentException("Malformed IPv4 number");

		Collection<L2PcInstance> allPlayers = L2World.getInstance()
				.getAllPlayers();
		L2PcInstance[] players = allPlayers.toArray(new L2PcInstance[allPlayers
				.size()]);

		int CharactersFound = 0;
		String name, ip = "0.0.0.0";
		TextBuilder replyMSG = new TextBuilder();
		NpcHtmlMessage adminReply = new NpcHtmlMessage(5);
		adminReply.setFile("data/html/admin/ipfind.htm");
		for (int i = 0; i < players.length; i++) {
			ip = players[i].getClient().getConnection().getInetAddress()
					.getHostAddress();
			if (ip.equals(IpAdress)) {
				name = players[i].getName();
				CharactersFound = CharactersFound + 1;
				replyMSG.append("<tr><td width=80><a action=\"bypass -h admin_character_list "
						+ name
						+ "\">"
						+ name
						+ "</a></td><td width=110>"
						+ players[i].getTemplate().className
						+ "</td><td width=40>"
						+ players[i].getLevel()
						+ "</td></tr>");
			}
			if (CharactersFound > 20)
				break;
		}
		adminReply.replace("%results%", replyMSG.toString());
		replyMSG.clear();
		if (CharactersFound == 0)
			replyMSG.append("s. Maybe they got d/c? :)");
		else if (CharactersFound > 20) {
			adminReply.replace("%number%",
					" more than " + String.valueOf(CharactersFound));
			replyMSG.append("s.<br>In order to avoid you a client crash I won't <br1>display results beyond the 20th character.");
		} else if (CharactersFound == 1)
			replyMSG.append(".");
		else
			replyMSG.append("s.");
		adminReply.replace("%ip%", ip);
		adminReply.replace("%number%", String.valueOf(CharactersFound));
		adminReply.replace("%end%", replyMSG.toString());
		activeChar.sendPacket(adminReply);
	}

	/**
	 * @param activeChar
	 * @param characterName
	 * @throws IllegalArgumentException
	 */
	private void findCharactersPerAccount(L2PcInstance activeChar,
			String characterName) throws IllegalArgumentException {
		if (characterName.matches(Config.CNAME_TEMPLATE)) {
			String account = null;
			Map<Integer, String> chars;
			L2PcInstance player = L2World.getInstance()
					.getPlayer(characterName);
			if (player == null)
				throw new IllegalArgumentException("Player doesn't exist");
			chars = player.getAccountChars();
			account = player.getAccountName();
			TextBuilder replyMSG = new TextBuilder();
			NpcHtmlMessage adminReply = new NpcHtmlMessage(5);
			adminReply.setFile("data/html/admin/accountinfo.htm");
			for (String charname : chars.values())
				replyMSG.append(charname + "<br1>");
			adminReply.replace("%characters%", replyMSG.toString());
			adminReply.replace("%account%", account);
			adminReply.replace("%player%", characterName);
			activeChar.sendPacket(adminReply);
		} else
			throw new IllegalArgumentException("Malformed character name");
	}
}
